Boiler-cleaning composition.



UNITED STATES PATENT OFFICE.

CHARLES NETTLETON, OF DES MOINES, IOWA.

BOILER-CLEANING COMPOSITION.

SPECIFICATION formingpart of Letters Patent No. 711,876, dated October21, 1902.

Application filed July 5, 1902. Serial No. 114,522. (No specimens.)

To all whom it may concern.-

Be it known that 1, CHARLES NETTLETON, a citizen of the United States,residing at Des Moines, in the county of Polk and State of Iowa, haveinvented a new and useful Composition of Matter to be Used as aBoiler-Cleaner and for Preventing the Incrustation of Steam- Boilers andalso for Purifying Water, of which the following is a specification.

My composition consists of the following ingredients combined in theproportions stated Glauber salt, eighty-six pounds; sodaash, one hundredpounds; sulfate of lime, ten pounds; slippery-elm, four pounds. Theseingredients are all comminuted and thoroughly mingled by agitation in avessel or in any suitable way and put up dry in suitable packages fortransportation, storing, and sell- In using my above-named compositionone pound a day placed in a steam-boiler generator of seventy-five-horsepower will be adequate to prevent incrustation and damage by sealing.The slippery-elm,practically wooden sawdust, will absorb matter in theWater that would naturally gather and adhere on the surface of theboiler after it is separated and precipitated by the other ingredients,so that foreign substances and impurities in the Water can be readilyremoved from the boiler with the Wood by steam-pressure or in anysuitable way as required for cleaning the boiler.

What I claim, and desire to secure by Letters Patent of the UnitedStates, is

The herein-described composition of mat ter, Glauber salt, soda-ash,sulfate of lime and slippery-elm, substantially as described and for thepurposes stated.

